[metrics-bugs] #21378 [Metrics/CollecTor]: Archive bwauth bandwidth files

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#21378: Archive bwauth bandwidth files
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 Reporter:  tom                     |          Owner:  metrics-team
     Type:  enhancement             |         Status:  new
 Priority:  Medium                  |      Milestone:
Component:  Metrics/CollecTor       |        Version:
 Severity:  Normal                  |     Resolution:
 Keywords:  tor-bwauth tor-dirauth  |  Actual Points:
Parent ID:                          |         Points:
 Reviewer:                          |        Sponsor:
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Comment (by irl):

 I'm not sure why human readable is a concern. I've been digging in this
 some more and CollecTor is currently not even consistent with upper-case
 vs. lower-case for SHA-1 hex digests. I'm also concerned about SHA-1
 collisions that may become easier over time. I'd like to start using
 SHA-256 for references, especially where I'm using the reference to trust
 another document based on the signature over that hash. Currently looking
 at doing this for consensus->server descriptor and server
 descriptor->extra info relationships, I don't see any reason to not use
 SHA256 for bandwidth files too.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21378#comment:23>
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